Growing community of inventors

Lynnwood, WA, United States of America

Spencer Frazer

Average Co-Inventor Count = 1.03

ph-index = 15

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 893

Spencer FrazerChristopher Mattson (1 patent)Spencer FrazerPeter Halverson (1 patent)Spencer FrazerJoseph O Jacobsen (1 patent)Spencer FrazerAllen Boyd Mackay (1 patent)Spencer FrazerBrian Geoffrey Winder (1 patent)Spencer FrazerSpencer Frazer (31 patents)Christopher MattsonChristopher Mattson (6 patents)Peter HalversonPeter Halverson (5 patents)Joseph O JacobsenJoseph O Jacobsen (5 patents)Allen Boyd MackayAllen Boyd Mackay (4 patents)Brian Geoffrey WinderBrian Geoffrey Winder (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sog Specialty Knives Inc. (14 from 15 patents)

2. Sog Specialty Knives and Tools, LLC (10 from 10 patents)

3. Other (5 from 832,880 patents)

4. Brigham Young University (1 from 470 patents)


31 patents:

1. 9867494 - Reciprocating coffee filter

2. 9751202 - Assisted opening multitool method and apparatus

3. 9656403 - Collapsible fingerguard

4. 8671578 - Forward extending assisted opening knife

5. 8511208 - Assisted opening multitool method and apparatus

6. 8424425 - Discrete multitool locking method and apparatus

7. 8359753 - Actuating opening system for folding knife

8. 8296958 - Folding knife with mechanism to reposition back bar

9. 8109002 - Wire stripping back bar knife

10. 8011048 - Multitool incising attachment method and apparatus

11. 7946201 - Discrete multitool locking method and apparatus

12. 7793570 - Tension locking tool

13. 7665389 - Multitool with wire stripping element

14. 7634858 - Folding knife with finger guard

15. 7533465 - Folding knife with finger guard

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1/3/2026
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